中文说明：esprit算法对有干扰的信号频率进行估计,可以得到很精确的幅值、频率、相位估计，处理信号的时频分析，用于图像处理的独立分量分析，使用拉亚普诺夫指数的公式，主要为数据分析和统计。
English Description：
ESPRIT algorithm for frequency estimation with interference signals, one can obtain accurate amplitude, frequency and phase estimation and time-frequency analysis for signal processing, independent component analysis for image processing, use the layapunuofu index formula, mainly for data analysis and statistics.